Files
narratio/internal/adapters/seriatim/fake.go

110 lines
3.4 KiB
Go

package seriatim
import (
"context"
"fmt"
"gitea.maximumdirect.net/eric/narratio/internal/adapters/subprocess"
)
// NoopRunner is a deterministic no-op seriatim adapter.
type NoopRunner struct{}
// Run returns the requested output path with placeholder metadata.
func (n *NoopRunner) Run(ctx context.Context, req MergeRequest) (MergeResult, error) {
if err := ctx.Err(); err != nil {
return MergeResult{}, err
}
if err := materializePlaceholders(req); err != nil {
return MergeResult{}, err
}
return MergeResult{
MergedTranscriptPath: req.OutputMergedTranscriptPath,
ReportPath: req.ReportPath,
StdoutLogPath: req.StdoutLogPath,
StderrLogPath: req.StderrLogPath,
GeneratedConfigPath: req.GeneratedConfigPath,
InvokedBinary: "noop",
Metadata: map[string]any{"placeholder": true},
}, nil
}
// FakeRunner captures merge requests and returns deterministic responses.
type FakeRunner struct {
Requests []MergeRequest
Err error
Result MergeResult
}
// Run records request and returns configured response.
func (f *FakeRunner) Run(ctx context.Context, req MergeRequest) (MergeResult, error) {
if err := ctx.Err(); err != nil {
return MergeResult{}, err
}
f.Requests = append(f.Requests, req)
if f.Err != nil {
return MergeResult{}, f.Err
}
if err := materializePlaceholders(req); err != nil {
return MergeResult{}, err
}
res := f.Result
if res.MergedTranscriptPath == "" {
res.MergedTranscriptPath = req.OutputMergedTranscriptPath
}
if res.ReportPath == "" {
res.ReportPath = req.ReportPath
}
if res.StdoutLogPath == "" {
res.StdoutLogPath = req.StdoutLogPath
}
if res.StderrLogPath == "" {
res.StderrLogPath = req.StderrLogPath
}
if res.GeneratedConfigPath == "" {
res.GeneratedConfigPath = req.GeneratedConfigPath
}
if res.InvokedBinary == "" {
res.InvokedBinary = "fake"
}
if res.Metadata == nil {
res.Metadata = map[string]any{"fake": true}
}
return res, nil
}
func materializePlaceholders(req MergeRequest) error {
if req.OutputMergedTranscriptPath != "" {
if err := subprocess.WriteFileAtomic(req.OutputMergedTranscriptPath, []byte(`{"schema":"seriatim.intermediate.v1","segments":[]}`), 0o644); err != nil {
return fmt.Errorf("write merged transcript %q: %w", req.OutputMergedTranscriptPath, err)
}
}
if req.GeneratedConfigPath != "" {
payload := map[string]any{
"schema": "seriatim.generated.v1",
"placeholder": true,
"input_transcript_paths": req.InputTranscriptPaths,
"output_path": req.OutputMergedTranscriptPath,
}
if err := subprocess.WriteYAMLAtomic(req.GeneratedConfigPath, payload, 0o644); err != nil {
return fmt.Errorf("write generated config %q: %w", req.GeneratedConfigPath, err)
}
}
if req.StdoutLogPath != "" {
if err := subprocess.WriteFileAtomic(req.StdoutLogPath, []byte("seriatim noop/fake stdout placeholder\n"), 0o644); err != nil {
return fmt.Errorf("write stdout log %q: %w", req.StdoutLogPath, err)
}
}
if req.StderrLogPath != "" {
if err := subprocess.WriteFileAtomic(req.StderrLogPath, []byte("seriatim noop/fake stderr placeholder\n"), 0o644); err != nil {
return fmt.Errorf("write stderr log %q: %w", req.StderrLogPath, err)
}
}
if req.ReportPath != "" {
if err := subprocess.WriteFileAtomic(req.ReportPath, []byte(`{"schema":"seriatim.report.v1","placeholder":true}`), 0o644); err != nil {
return fmt.Errorf("write report %q: %w", req.ReportPath, err)
}
}
return nil
}